520026704

素因数分解:

$2^4\times {\mathrm{157}}^1\times {\mathrm{207017}}^1$

素因数の和:207182

約数の個数: 20

約数和(自身を含む): 1013974164

約数和(自身を除く): 493947460

約数列:

[1, 2, 4, 8, 16, 157, 314, 628, 1256, 2512, 207017, 414034, 828068, 1656136, 3312272, 32501669, 65003338, 130006676, 260013352, 520026704]

約数ペア:

[(1, 520026704), (2, 260013352), (4, 130006676), (8, 65003338), (16, 32501669), (157, 3312272), (314, 1656136), (628, 828068), (1256, 414034), (2512, 207017)]